The SF2224E from Murata is a Band Pass Filter with Frequency 1.89 to 2.01 GHz, Bandwidth 60 MHz, Center Frequency 1950 MHz, Insertion Loss 2.3 to 4 dB, Power 0.02 W. Tags: Surface Mount, Ceramic, Surface Mount, RF SAW Filter, Ceramic Filter. More details for SF2224E can be seen below.